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resource_aws_kinesis_firehose_delivery_stream_migrate.go
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resource_aws_kinesis_firehose_delivery_stream_migrate.go
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package aws
import (
"fmt"
"log"
"github.com/hashicorp/terraform/terraform"
)
func resourceAwsKinesisFirehoseMigrateState(
v int, is *terraform.InstanceState, meta interface{}) (*terraform.InstanceState, error) {
switch v {
case 0:
log.Println("[INFO] Found AWS Kinesis Firehose Delivery Stream State v0; migrating to v1")
return migrateKinesisFirehoseV0toV1(is)
default:
return is, fmt.Errorf("Unexpected schema version: %d", v)
}
}
func migrateKinesisFirehoseV0toV1(is *terraform.InstanceState) (*terraform.InstanceState, error) {
if is.Empty() {
log.Println("[DEBUG] Empty Kinesis Firehose Delivery State; nothing to migrate.")
return is, nil
}
log.Printf("[DEBUG] Attributes before migration: %#v", is.Attributes)
// migrate flate S3 configuration to a s3_configuration block
// grab initial values
is.Attributes["s3_configuration.#"] = "1"
// Required parameters
is.Attributes["s3_configuration.0.role_arn"] = is.Attributes["role_arn"]
is.Attributes["s3_configuration.0.bucket_arn"] = is.Attributes["s3_bucket_arn"]
// Optional parameters
if is.Attributes["s3_buffer_size"] != "" {
is.Attributes["s3_configuration.0.buffer_size"] = is.Attributes["s3_buffer_size"]
}
if is.Attributes["s3_data_compression"] != "" {
is.Attributes["s3_configuration.0.compression_format"] = is.Attributes["s3_data_compression"]
}
if is.Attributes["s3_buffer_interval"] != "" {
is.Attributes["s3_configuration.0.buffer_interval"] = is.Attributes["s3_buffer_interval"]
}
if is.Attributes["s3_prefix"] != "" {
is.Attributes["s3_configuration.0.prefix"] = is.Attributes["s3_prefix"]
}
delete(is.Attributes, "role_arn")
delete(is.Attributes, "s3_bucket_arn")
delete(is.Attributes, "s3_buffer_size")
delete(is.Attributes, "s3_data_compression")
delete(is.Attributes, "s3_buffer_interval")
delete(is.Attributes, "s3_prefix")
log.Printf("[DEBUG] Attributes after migration: %#v", is.Attributes)
return is, nil
}